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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:61080 term browser browse the term
Definition:A cyclodepsipeptide consisting of the cyclic disulfide of (2Z)-2-aminobut-2-enoyl, L-valyl, (3S,4E)-3-hydroxy-7-sulfanylhept-4-enoyl, D-valyl and D-cysteinyl residues coupled in sequence and cyclised head-to tail.
Synonyms:exact_synonym: (1S,4S,7Z,10S,16E,21R)-7-ethylidene-4,21-di(propan-2-yl)-2-oxa-12,13-dithia-5,8,20,23-tetraazabicyclo[8.7.6]tricos-16-ene-3,6,9,19,22-pentone
 related_synonym: Antibiotic FR 901228;   Chromadax;   FK228;   FR901228;   Formula=C24H36N4O6S2;   InChI=1S/C24H36N4O6S2/c1-6-16-21(30)28-20(14(4)5)24(33)34-15-9-7-8-10-35-36-12-17(22(31)25-16)26-23(32)19(13(2)3)27-18(29)11-15/h6-7,9,13-15,17,19-20H,8,10-12H2,1-5H3,(H,25,31)(H,26,32)(H,27,29)(H,28,30)/b9-7+,16-6-/t15-,17-,19-,20+/m1/s1;   InChIKey=OHRURASPPZQGQM-GCCNXGTGSA-N;   Istodax;   NSC-630176;   SMILES=C\\C=C1/NC(=O)[C@H]2CSSCC\\C=C\\[C@H](CC(=O)N[C@H](C(C)C)C(=O)N2)OC(=O)[C@@H](NC1=O)C(C)C;   romidepsina;   romidepsine;   romidepsinum
 alt_id: CHEBI:69482
 xref: CAS:128517-07-7;   Drug_Central:4119;   KEGG:D06637
 xref_mesh: MESH:C087123
 xref: PMID:18205373;   PMID:20645688;   PMID:21110829;   PMID:7513682;   PMID:8175483;   Reaxys:6854221;   Wikipedia:Romidepsin

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  CHEBI ontology 0
    role 0
      biological role 0
        antimicrobial agent 0
          heterocyclic antibiotic 0
            romidepsin 0
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  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    p-block element atom 0
                      carbon group element atom 0
                        carbon atom 0
                          organic molecular entity 0
                            heteroorganic entity 0
                              organochalcogen compound 0
                                organooxygen compound 0
                                  carbon oxoacid 0
                                    carboxylic acid 0
                                      carboacyl group 0
                                        univalent carboacyl group 0
                                          carbamoyl group 0
                                            carboxamide 0
                                              peptide 0
                                                depsipeptide 0
                                                  cyclodepsipeptide 0
                                                    romidepsin 0
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